新疆山地针叶林植物物种组成与丰富度研究

干旱区研究 ›› 2011, Vol. 28 ›› Issue (1): 40-46.

新疆山地针叶林植物物种组成与丰富度研究

李利平¹, 安尼瓦尔·买买提², 郭兆迪¹, 海鹰³, 唐志尧¹

1. 北京大学城市与环境学院生态学系北京大学地表过程分析与模拟教育部重点实验室, 北京 100871;
2. 中国科学院新疆生态与地理研究所, 新疆乌鲁木齐 830011;
3. 新疆师范大学地理系, 新疆乌鲁木齐 830054

收稿日期:2010-11-08 修回日期:2010-11-12 出版日期:2011-02-25 发布日期:2011-09-06
作者简介:李利平(1980-),女,河南孟津人,博士,主要研究方向为植被生态学.Email:liliping@pku.edu.cn
基金资助:
国家自然科学基金重点项目(40638039)

Study on Plant Species Composition and Richness of the Mountain Coniferous Forests in Xinjiang

LI Li-ping¹, Anwar Mohammat², GUO Zhao-di¹, HAI Ying³, TANG Zhi-yao¹

1. Department of Ecology, College of Urban and Environmental Sciences; Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing 100871, China;
2. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
3. Department of Geography, Xinjiang Normal University, Urumqi 830054, China

Received:2010-11-08 Revised:2010-11-12 Online:2011-02-25 Published:2011-09-06

摘要/Abstract

摘要： 通过对新疆阿尔泰山、天山北坡、天山南坡和昆仑山西部11个地点122个样方的调查,发现阿尔泰山针叶林植物(包括乔木、灌木和草本)丰富度显著高于天山南坡和昆仑山;天山南坡和昆仑山物种组成相似,阿尔泰山和天山北坡物种组成相似。全疆针叶林物种丰富度随年平均气温和海拔的增加显著下降,随纬度的升高显著升高。在不同区域,物种丰富度随海拔增加均没有显著变化趋势;在阿尔泰山和昆仑山,物种丰富度随总胸高断面积的增加显著减小。通过GLM(general linear model)分析发现,对新疆植物物种丰富度影响最大的是坡向。北疆除了坡向外,林型和乔木的总胸高断面积也显著影响物种丰富度,而南疆的物种丰富度显著受坡位、年降水量和总胸高断面积的影响。

关键词: 针叶林, 物种丰富度, 昆仑山, 天山, 阿尔泰山, 新疆

Abstract: After carrying out the survey of 122 plots at 11 locations in the Altay Mountains (Altay), Kunlun Mountains (KL in abbreviation, the same below), and northern and southern slopes of the Tianshan Mountains (NT and ST respectively) in Xinjiang, it is found that the plant species richness of coniferous forests in Altay is significantly higher than that in ST and KL; plant species richness of Picea schrenkiana forests is significantly lower than that of P. obovata forests. According to the Sorensen Index, the plant composition in ST and KL is similar, and it is also similar in Altay and NT; the plant composition in Larix sibirica forests and Picea obovata forests are similar, but that in Juniperus centrasiatica and J. jarkendensis forests is quite different from that in Pinus sibirica and Abies sibirica forests, L. sibirica forests and Picea obovata forests. Species richness decreases significantly with the increase of altitude and mean annual temperature (MAT) but increases significantly with the increase of latitudes in whole Xinjiang. Species richness decreases with the increase of total basal area (TBA) in Altay and KL. According to the GLM (General Linear Model), aspect of plots (ASP) affects significantly the plant species richness in whole Xinjiang. Forest type and TBA also affects significantly the plant species richness in north Xinjiang. While in south Xinjiang, the plant species richness is significantly affected by annual precipitation (AP), slope position (POS) and TBA.

Key words: coniferous forest, plant species richness, Kunlun Mountains, Tianshan Mountains, Altay Mountains, Xinjiang

中图分类号:

S718.54

李利平, 安尼瓦尔·买买提, 郭兆迪, 海鹰, 唐志尧. 新疆山地针叶林植物物种组成与丰富度研究[J]. 干旱区研究, 2011, 28(1): 40-46.

LI Li-ping, Anwar Mohammat, GUO Zhao-di, HAI Ying, TANG Zhi-yao. Study on Plant Species Composition and Richness of the Mountain Coniferous Forests in Xinjiang[J]. , 2011, 28(1): 40-46.

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